Building material



FIG. 1 is a front perspective view of a building material showing ournew design.

FIG. 2 is a front view thereof.

FIG. 3 is a back view thereof.

FIG. 4 is a left-side view thereof. The right-side view thereof is amirror image of the left-side view.

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The jagged broken lines traversing, both vertically and horizontally,through the building material, indicate that any portion of the articlebetween the break lines forms no part of the claimed design.

The broken lines illustrate portions of the front and back surfaceswhich form no part of the claimed design.

CLAIM The ornamental design for a building material, as shown anddescribed.